xref: /onnv-gate/usr/src/ucblib/libcurses/getch.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate  */
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)getch.c 1.9 88/02/08 SMI"; /* from UCB 5.3 86/04/16 */
22*0Sstevel@tonic-gate #endif	/* not lint */
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include	"curses.ext"
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  *	This routine reads in a character from the window.
28*0Sstevel@tonic-gate  */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate int
wgetch(WINDOW * win)31*0Sstevel@tonic-gate wgetch(WINDOW *win)
32*0Sstevel@tonic-gate {
33*0Sstevel@tonic-gate 	bool	weset = FALSE;
34*0Sstevel@tonic-gate 	char	inp;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate 	if (!win->_scroll && (win->_flags&_FULLWIN) &&
37*0Sstevel@tonic-gate 	    win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1)
38*0Sstevel@tonic-gate 		return (ERR);
39*0Sstevel@tonic-gate #ifdef DEBUG
40*0Sstevel@tonic-gate 	fprintf(outf, "WGETCH: _echoit = %c, _rawmode = %c\n",
41*0Sstevel@tonic-gate 		_echoit ? 'T' : 'F', _rawmode ? 'T' : 'F');
42*0Sstevel@tonic-gate #endif
43*0Sstevel@tonic-gate 	if (_echoit && !_rawmode) {
44*0Sstevel@tonic-gate 		cbreak();
45*0Sstevel@tonic-gate 		weset++;
46*0Sstevel@tonic-gate 	}
47*0Sstevel@tonic-gate 	inp = getchar();
48*0Sstevel@tonic-gate #ifdef DEBUG
49*0Sstevel@tonic-gate 	fprintf(outf, "WGETCH got '%s'\n", unctrl(inp));
50*0Sstevel@tonic-gate #endif
51*0Sstevel@tonic-gate 	if (_echoit) {
52*0Sstevel@tonic-gate 		(void) mvwaddch(curscr, win->_cury + win->_begy,
53*0Sstevel@tonic-gate 			win->_curx + win->_begx, inp);
54*0Sstevel@tonic-gate 		(void) waddch(win, inp);
55*0Sstevel@tonic-gate 	}
56*0Sstevel@tonic-gate 	if (weset)
57*0Sstevel@tonic-gate 		nocbreak();
58*0Sstevel@tonic-gate 	return ((int)inp);
59*0Sstevel@tonic-gate }
60